Schools in Killingworth, Connecticut (2025)
2 schools · 703 students · 2 public · median Enrollment 423.
Killingworth, in Connecticut, has 2 schools in United States's 2025 data, together educating about 703 students. By level there are 1 middle, 1 elementary; by sector 2 public.
2 of the 2 schools qualify for the Success Index (US). The highest-scoring is Haddam-Killingworth Middle School (84.5, top 10% of middle schools nationally), followed by Haddam-Killingworth Intermediate School (84.0, top 10% of elementary schools nationally). 2 schools sit in the top 10% of United States for their type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Haddam-Killingworth Middle School (423 students), Haddam-Killingworth Intermediate School (280 students).
Ranked schools in Killingworth
Ordered by Success Index (US). Rank positions shown on each profile are within United States and Connecticut.
- 185Haddam-Killingworth Middle SchoolKillingworth · Public Middle58% Math proficiency · 423 students
- 284Haddam-Killingworth Intermediate SchoolKillingworth · Public Elementary18.6% Free/reduced-price lunch · 280 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Haddam-Killingworth Middle School Killingworth · Middle · Grades 6–8 | Public | 84.5 Top 10% | 58% Math proficiency | 423 |
| 2 | Haddam-Killingworth Intermediate School Killingworth · Elementary · Grades 4–5 | Public | 84.0 Top 10% | 18.6% Free/reduced-price lunch | 280 |
Compare the top 2 schools in Killingworth side by side →
Other places in Connecticut
- Hartford(43)
- Bridgeport(43)
- New Haven(42)
- Waterbury(31)
- Norwalk(23)
- Stamford(22)
- Danbury(19)
- West Hartford(17)
- East Hartford(16)
- Fairfield(15)
- Bristol(13)
- New Britain(13)
- Meriden(13)
- Milford(13)
- Stratford(13)
- Manchester(12)
- Norwich(11)
- Wallingford(11)
- New London(10)
- Bloomfield(10)
- Hamden(10)
- Middletown(10)
- West Haven(10)
- Enfield(9)
- Wethersfield(9)
- Greenwich(9)
- Naugatuck(9)
- Ridgefield(9)
- Southington(9)
- Trumbull(9)
- East Haven(8)
- Shelton(8)
- Westport(8)
- North Haven(7)
- Glastonbury(7)
- South Windsor(7)
- Windsor(7)
- Cheshire(7)
- Darien(7)
- Guilford(7)
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Frequently asked questions
What is the best school in Killingworth?
Haddam-Killingworth Middle School is the highest-ranked school in Killingworth with a Success Index (US) of 84.5 out of 100 (Top 10% of middle schools in United States).
How many schools are in Killingworth?
Killingworth has 2 schools (1 middle, 1 elementary) educating 703 students in 2025.
What is the typical Enrollment in Killingworth?
The median Enrollment across schools in Killingworth is 423. Students enrolled in the latest NCES directory year.